AES String Encryption

AES string encryption in Java.

Download Chilkat Java Library

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    CkCrypt2 crypt = new CkCrypt2();

    boolean success;
    success = crypt.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        System.out.println("Crypt component unlock failed");
        return;
    }

    String password;
    password = "secretPassPhrase";

    crypt.put_CryptAlgorithm("aes");
    crypt.put_CipherMode("cbc");
    crypt.put_KeyLength(128);

    // Generate a binary secret key from a password string
    // of any length.  For 128-bit encryption, GenEncodedSecretKey
    // generates the MD5 hash of the password and returns it
    // in the encoded form requested.  The 2nd param can be
    // "hex", "base64", "url", "quoted-printable", etc.
    String hexKey;
    hexKey = crypt.genEncodedSecretKey(password,"hex");
    crypt.SetEncodedKey(hexKey,"hex");

    crypt.put_EncodingMode("base64");
    String text;
    text = "The quick brown fox jumped over the lazy dog.";

    // Encrypt a string and return the binary encrypted data
    // in a base-64 encoded string.
    String encText;
    encText = crypt.encryptStringENC(text);

    System.out.println(encText);

    // Decrypt and show the original string:
    String decryptedText;
    decryptedText = crypt.decryptStringENC(encText);

    System.out.println(decryptedText);
  }
}